85882831 has 4 divisors (see below), whose sum is σ = 90403000. Its totient is φ = 81362664.

The previous prime is 85882817. The next prime is 85882837. The reversal of 85882831 is 13828858.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13828858 = 2 ⋅6914429.

It is a cyclic number.

It is not a de Polignac number, because 85882831 - 2⁵ = 85882799 is a prime.

It is a super-2 number, since 2×85882831² = 14751721321149122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85882837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2260056 + ... + 2260093.

It is an arithmetic number, because the mean of its divisors is an integer number (22600750).

Almost surely, 2^85882831 is an apocalyptic number.

85882831 is a deficient number, since it is larger than the sum of its proper divisors (4520169).

85882831 is a wasteful number, since it uses less digits than its factorization.

85882831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4520168.

The product of its digits is 122880, while the sum is 43.

The square root of 85882831 is about 9267.2990131969. The cubic root of 85882831 is about 441.1999460111.

The spelling of 85882831 in words is "eighty-five million, eight hundred eighty-two thousand, eight hundred thirty-one".